Pennsylvania State Univ., University Park, PA. A companion volume to the APA's Best Methods for the Analysis of Change, offering new, more effective methods for conducting studies of change and longitudinal studies. Overviews many modern methods, including hierarchical linear models and structural equations models.

About the Author

Linda M. Collins is affiliated with the University of Pennsylvania. Aline G. Sayer is affiliated with Harward Medical School in Amherst, MA.

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